package apj.demo.dao;

import java.sql.SQLException;
import java.util.List;

import apj.demo.model.Bill;

/**
 * 账单操作方法接口
 * */
public interface BillDao {
	public void save(Bill bill) throws SQLException;
	public List<Bill> findByAll() throws SQLException;
	public Bill findById(int id) throws SQLException;
}
